Slow Cooker Peach Salsa Pork Roast with Sweet Potatoes

boneless pork roast (2 to 2-1/2 pound)

kosher salt and cracked black pepper

peanut (canola, vegetable, or olive oil)

small peeled sweet potatoes (about 1-1/2 lbs, cut into 1-inch chunks)

peach salsa (*See notes)

hot cooked rice

chopped cilantro or parsley

finely chopped green onions

Optional: spicy sesame oil and Spicy Chinese Black Bean Chili Sauce or Chili Garlic Sauce